+2008-09-04 Nick Clifton <nickc@redhat.com>
+
+ * configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler
+ check.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * config/i386/bsd.h (ASM_OUTPUT_ALIGNED_LOCAL): Use .lcomm with an
+ alignment field, if it is supported.
+
+2008-09-04 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/t-mingw32 (SHLIB_LC): Change order of import
+ libraries.
+
+2008-09-03 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (processor_target_table): Do not
+ enable VMX for POWER6.
+
+2008-09-03 Anton Blanchard <anton@samba.org>
+
+ * config/rs6000/rs6000.c (rs6000_split_lock_test_and_set): Do not
+ emit memory barrier before operation.
+
+2008-09-03 John David Anglin <dave.anglin@nrc.cnrc.gc.ca>
+
+ PR testsuite/37325
+ * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL_REAL): Call
+ default_elf_asm_output_external.
+
+2008-09-03 Jeff Law <law@redhat.com>
+
+ * h8300.c (expand_a_shift): Avoid invalid RTL sharing.
+
+2008-09-03 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_split_lock_test_and_set): Move
+ memory barrier to below the test-and-set.
+ (alpha_split_lock_test_and_set_12): Likewise.
+
+2008-09-03 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-opt/37243
+
+ * ira-int.h (ira_loop_tree_node): Rename mentioned_allocnos to
+ all_allocnos.
+
+ * ira-color.c (print_loop_title): Use all_allocnos.
+ (color_pass): Ditto. Don't add border_allocnos. Check that
+ subloop allocno in the correspdoning bitmap all_allocnos.
+
+ * ira-emit.c (change_loop): Use all_allocnos.
+
+ * ira-build.c (create_loop_tree_nodes, finish_loop_tree_node):
+ Ditto.
+ (ira_create_allocno): Set up all_allocnos bit for the created
+ allocno.
+ (create_cap_allocno): Remove setting mentioned_allocnos.
+ (create_insn_allocnos): Ditto.
+ (remove_unnecessary_allocnos): Use all_allocnos.
+ (check_allocno_creation): Check that allocnos are in the
+ corresponding bitmap all_allocnos.
+
+2008-09-03 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-opt/37243
+
+ * ira-conflicts.c (REG_SUBREG_P, go_through_subreg): New.
+ (process_regs_for_copy): Process subregs. Refine check when cost
+ is taken into account in ira-costs.c.
+ (process_reg_shuffles): Use REG_SUBREG_P.
+ (add_insn_allocno_copies): Ditto. Ignore modes.
+
+ * ira-color.c (conflict_allocno_vec): New.
+ (COST_HOP_DIVISOR): New macro.
+ (update_copy_costs_1): Use it.
+ (update_conflict_hard_regno_costs): New function.
+ (assign_hard_reg): Use it.
+ (ira_color): Allocate and free conflict_allocno_vec.
+
+2008-09-03 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-opt/37296
+
+ * ira-int.h (ira_sort_insn_chain): Remove.
+
+ * ira.c (basic_block_order_nums, chain_insn_order,
+ chain_freq_compare, chain_bb_compare, ira_sort_insn_chain): Remove.
+ (ira): Don't call ira_sort_insn_chain.
+
+ * reload1.c (reload): Don't call ira_sort_insn_chain.
+
+2008-09-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/37293
+ * cgraphunit.c (update_call_expr): Remove eh regions from statements
+ which become non throw.
+ (cgraph_function_versioning): Also clear DECL_WEAK. Call
+ update_call_expr after updating the flags on the decl.
+
+2008-09-03 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/37315
+ * cgraph.c (cgraph_create_edge): Use gimple_has_body_p.
+ * cgraphunit.c (verify_cgraph_node): drop gimple_body check.
+ (cgraph_analyze_functions): Use node->analyzed
+ (cgraph_mark_functions_to_output): Likewise.
+ (cgraph_expand_function): All functions can be released after
+ expanding.
+ (cgraph_optimize): Use gimple_has_body_p.
+ * ipa-inline.c (cgraph_clone_inlined_nodes): Use analyzed flag.
+ (cgraph_decide_inlining_incrementally): Likewise.
+ (inline_transform): Inline transform.
+ * tree-inline.c (initialize_cfun): Do now shallow copy structure;
+ copy fields needed.
+ (inlinable_function_p): Drop gimple_body check.
+ (expand_call_inline): Use gimple_has_body_p.
+ * gimple.c (gimple_has_body_p): New.
+ * gimple.h (gimple_has_body_p): Add prototype.
+ * tree-cfg.c (execute_build_cfg): Remove gimple_body.
+ (dump_function_to_file): Use gimple_has_body_p check.
+
+2008-09-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/37346
+ * gimple.h (gimple_has_substatements): GIMPLE_OMP_CRITICAL has
+ substatements.
+ * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_CRITICAL.
+
+2008-09-03 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ From Michael Frysinger <michael.frysinger@analog.com>
+ * config/bfin/bfin.c (bfin_cpus[]): Add 0.1 for bf522, bf523, bf524,
+ bf525, bf526, bf527, bf542, bf544, bf547, bf548, and bf549. Add 0.2
+ for bf538.
+
+2008-09-03 Hari Sandanagobalane <hariharan@picochip.com>
+
+ Add picoChip port.
+ * doc/extend.texi: Document picoChip builtin functions.
+ * doc/invoke.texi: Document picoChip options.
+ * doc/contrib.texi: Add picoChip contribution.
+ * doc/md.texi: Document picoChip constraints.
+ * config.gcc: Add picochip-*-*.
+ * config/picochip/: Add new port.
+
+2008-09-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/37328
+ * tree-sra.c (sra_build_assignment): Gimplify properly.
+ (generate_copy_inout): Take the correct stmt as definition,
+ remove bogus assert.
+
+2008-09-03 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_expand_prologue): Honour no_stack_limit
+ attributes.
+
+ From Michael Frysinger <michael.frysinger@analog.com>
+ * config/bfin/bfin.c (bfin_handle_option): Remove BF561 warning.
+
+2008-09-03 Danny Smith <dannysmith@usrs.sourceforge.net>
+
+ * gthr-win32.h (CONST_CAST2): Really make sure CONST_CAST2 is
+ defined.
+ (__gthread_setspecific): Revert 2008-08-31 change to
+ __GTHREAD_HIDE_W32API case. Apply it to !__GTHREAD_HIDE_W32API
+ case.
+
+2008-09-02 Aldy Hernandez <aldyh@redhat.com>
+
+ * diagnostic.c (error_at): New.
+ * toplev.h (error_at): New prototype.
+ * c-typeck.c (build_array_ref): Call error_at instead of error.
+ Pass location to pedwarn.
+
+2008-09-02 Adam Nemet <anemet@caviumnetworks.com>
+
+ * sel-sched.c (sel_hard_regno_rename_ok): Mark arguments unused.
+
+2008-09-02 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (tree_add_const_value_attribute): Only handle
+ VAR_DECL and CONST_DECL.
+
+2008-09-02 H.J. Lu <hongjiu.lu@intel.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (X86_64_VARARGS_SIZE): Removed.
+ (setup_incoming_varargs_64): Assume cum != NULL. Set/check
+ ix86_varargs_gpr_size and ix86_varargs_fpr_size. Use
+ ix86_varargs_gpr_size instead of X86_64_REGPARM_MAX.
+ Don't set ix86_save_varrargs_registers.
+ (ix86_setup_incoming_varargs): Assume cum != NULL.
+ (ix86_va_start): Check ix86_varargs_gpr_size and
+ ix86_varargs_fpr_size instead of cfun->va_list_gpr_size and
+ cfun->va_list_fpr_size, respectively. Subtract 8*X86_64_REGPARM_MAX
+ from frame pointer if ix86_varargs_gpr_size == 0.
+ (ix86_compute_frame_layout): Updated.
+ * config/i386/i386.h (ix86_save_varrargs_registers): Removed.
+ (ix86_varargs_gpr_size): Define.
+ (ix86_varargs_fpr_size): Likewise.
+ (machine_function): Remove save_varrargs_registers.
+ Add varargs_gpr_size and varargs_fpr_size.
+
+2008-09-02 Jakub Jelinek <jakub@redhat.com>
+
+ * config/alpha/alpha.c (va_list_skip_additions,
+ alpha_stdarg_optimize_hook, alpha_gimplify_va_arg_1): Tuplify.
+ (alpha_gimplify_va_arg): Call unshare_expr on second use of
+ offset_field.
+
+ PR tree-optimization/36766
+ * tree-cfg.c (gimple_purge_all_dead_eh_edges): Do nothing
+ for already removed basic blocks.
+
+ PR target/36332
+ * real.c (real_maxval): Clear a lower bit to make real_maxval
+ match get_max_float for IBM long double format.
+
+2008-09-02 Andreas Schwab <schwab@suse.de>
+
+ * configure.ac: Use m4_quote to quote the expansion of m4_do.
+ * configure: Regenerate.
+
+2008-09-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * simplify-rtx.c (simplify_binary_operation_1): Check for CONST,
+ SYMBOL_REF and LABEL_REF when applying plus_constant, instead of
+ checking for a non-VOID CONSTANT_P.
+
+2008-09-02 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (pass_strip_predict_hints): Avoid bugs dump file.
+ * expmed.c (expand_divmod): Fix test of smod_pow2_cheap and sdiv_pow2_cheap
+
+2008-09-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * expr.c (emit_group_store): Don't assert stack temp mode size.
+
+2008-09-02 Sebastian Pop <sebastian.pop@amd.com>
+ Tobias Grosser <grosser@fim.uni-passau.de>
+ Jan Sjodin <jan.sjodin@amd.com>
+ Harsha Jagasia <harsha.jagasia@amd.com>
+ Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+ Konrad Trifunovic <konrad.trifunovic@inria.fr>
+ Adrien Eliche <aeliche@isty.uvsq.fr>
+
+ Merge from graphite branch.
+ * graphite.c: New.
+ * graphite.h: New.
+ * tree-loop-linear.c (perfect_loop_nest_depth): Export.
+ * doc/invoke.texi (-floop-block, -floop-interchange,
+ -floop-strip-mine): Document new flags.
+ * tree-into-ssa.c (gimple_vec): Moved...
+ * tree-loop-distribution.c (rdg_component): Moved...
+ * cfgloopmanip.c: Include tree-flow.h.
+ (update_dominators_in_loop): New.
+ (create_empty_if_region_on_edge): New.
+ (create_empty_loop_on_edge): New.
+ (loopify): Use update_dominators_in_loop.
+ * tree-pass.h (pass_graphite_transforms): Declared.
+ * configure: Regenerate.
+ * tree-phinodes.c (make_phi_node): Export.
+ (add_phi_node_to_bb): New, split from create_phi_node.
+ * tree-chrec.c (for_each_scev_op): New.
+ * tree-chrec.h (for_each_scev_op): Declared.
+ * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
+ (remove_statement): Call get_phi_with_result.
+ * config.in (HAVE_cloog): Undef.
+ * gdbinit.in (pgg): New.
+ * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
+ * tree-ssa-loop.c (graphite_transforms): New.
+ (gate_graphite_transforms): New.
+ (pass_graphite_transforms): New.
+ * configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC,
+ HAVE_cloog): Defined.
+ * tree-vectorizer.c (rename_variables_in_bb): Export.
+ * tree-data-ref.c (dr_may_alias_p): Export.
+ (stmt_simple_memref_p): New.
+ (find_data_references_in_stmt): Export.
+ (find_data_references_in_loop): Export.
+ (create_rdg_edge_for_ddr): Initialize RDGE_RELATION.
+ (create_rdg_edges_for_scalar): Initialize RDGE_RELATION.
+ (create_rdg_vertices): Export.
+ (build_empty_rdg): New.
+ (build_rdg): Call build_empty_rdg. Free dependence_relations.
+ * tree-data-ref.h (rdg_component): ... here.
+ (scop_p): New.
+ (struct data_reference): Add a field scop.
+ (DR_SCOP): New.
+ (find_data_references_in_loop): Declared.
+ (find_data_references_in_stmt): Declared.
+ (create_rdg_vertices): Declared.
+ (dr_may_alias_p): Declared.
+ (stmt_simple_memref_p): Declared.
+ (struct rdg_edge): Add a field ddr_p relation.
+ (build_empty_rdg): Declared.
+ * lambda.h (lambda_matrix): Declare a VEC of.
+ (find_induction_var_from_exit_cond): Declared.
+ (lambda_vector_compare): New.
+ * common.opt (fgraphite, floop-strip-mine,
+ floop-interchange, floop-block): New flags.
+ * lambda-code.c (find_induction_var_from_exit_cond): Export.
+ * cfgloop.c (is_loop_exit): New.
+ * cfgloop.h (is_loop_exit): Declared.
+ (create_empty_if_region_on_edge): Declared.
+ (create_empty_loop_on_edge): Declared.
+ * tree-flow.h (add_phi_node_to_bb): Declared.
+ (make_phi_node): Declared.
+ (rename_variables_in_bb): Declared.
+ (perfect_loop_nest_depth): Declared.
+ (graphite_transform_loops): Declared.
+ * Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H.
+ (graphite.o-warn): Add -Wno-error.
+ (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared.
+ (LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS.
+ (INCLUDES): Add PPLINC, CLOOGINC.
+ (OBJS-common): Add graphite.o.
+ (graphite.o): Add rule.
+ * gimple.h (gimple_vec): ... here.
+ * tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR.
+ * passes.c (init_optimization_passes): Schedule
+ pass_graphite_transforms.
+
+2008-09-02 Samuel Tardieu <sam@rfc1149.net>
+
+ PR target/37283
+ * opts.c (decode_options): Move processing of -fno-unit-at-a-time
+ and -fno-toplevel-reorder after handle_options.
+
+2008-09-02 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_tune_cortex_a9): Define.
+ (arm_override_options): Set arm_tune_cortex_a9.
+ (arm_rtx_costs_1): Make register shifts more expensive on Cortex-A9.
+ (arm_issue_rate): Handle cortexa9.
+ * config/arm/arm.h (arm_tune_cortex_a9): Declare.
+ * config/arm/arm-cores.def: Add cortex-a9.
+ * config/arm/arm-tune.md: Regenerate.
+ * config/arm/arm.md: Include cortex-a9.md.
+ (generic_sched, generic_vfp): Add cortexa9.
+ * config/arm/cortex-a9.md: New file.
+
+2008-09-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/37327
+ * tree-vrp.c (register_new_assert_for): Make sure to not have
+ TREE_OVERFLOW set on the bound.
+
+2008-09-02 Alexander Monakov <amonakov@ispras.ru>
+
+ Fixed typo in date of the 2008-09-01 MOVE_RATIO commit.
+
+ * config/ia64/ia64.opt (msched-ar-data-spec): Default to 1.
+ * config/ia64/ia64.c (ia64_set_sched_flags): Always initialize
+ spec_info->mask.
+
+2008-09-02 Victor Kaplansky <victork@il.ibm.com>
+
+ * gcc/config/spu/spu.md (divdf3): Removed.
+
+2008-09-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/37095
+ * cgraph.c (cgraph_node): When creating new cgraph node after
+ assembler_name_hash has been populated, record it in the hash
+ table.
+
+2008-09-01 Paul Brook <paul@codesourcery.com>
+
+ * doc/invoke.texi: Document -mword-relocations.
+ * config/arm/uclinux-elf.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
+ * config/arm/symbian.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
+ * config/arm/vxworks.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
+ * config/arm/arm.c (arm_split_constant): Use arm_emit_movpair.
+ (arm_rtx_costs_1, arm_size_rtx_costs): Handle HIGH and LO_SUM.
+ (arm_emit_movpair): New function.
+ (arm_print_operand <c>): Handle sybolic addresses.
+ * config/arm/arm.h (TARGET_USE_MOVT): Define.
+ (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
+ * config/arm/arm-protos.h (arm_emit_movpair): Add prototype.
+ * config/arm/arm.opt: Add -mword-relocations.
+ * config/arm/arm.md (movsi): Use arm_emit_movpair.
+ (arm_movt, arm_movw): New.
+
+2008-09-01 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_override_options): Set arm_abi earlier.
+ Allow Interworking on ARMv4 EABI based targets.
+ * config/arm/bpabi.h (TARGET_FIX_V4BX_SPEC): Define.
+ (SUBTARGET_EXTRA_ASM_SPEC, LINK_SPEC): Add TARGET_FIX_V4BX_SPEC.
+
+2008-09-01 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/thumb2.md (thumb2_negscc): Match the correct operand for
+ optimized LT0 test. Remove optimization for GT.
+
+2008-09-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa64-hpux.h (LIB_SPEC): Link against librt when building static
+ openmp applications.
+ * pa-hpux11.h (LIB_SPEC): Likewise.
+
+ * ira.c (setup_eliminable_regset): Only declare i if ELIMINABLE_REGS is
+ defined.
+
+2008-09-01 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (maybe_hot_count_p, maybe_hot_edge_p): When profile is
+ present, use only counts; when guessed use only frequencies.
+ (estimate_bb_frequencies): Use function_frequency.
+ * profile.c (compute_branch_probabilities): Exit early when
+ profile reading failed. Set profile_status.
+ (branch_prob): Do not set profile_status.
+
+2008-09-01 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree.c (protected_set_expr_location): New.
+ * tree.h (protected_set_expr_location): New prototype.
+ * c-tree.h (build_array_ref): Add argument.
+ (parser_build_unary_op): Same.
+ * c-typeck.c (build_indirect_ref): Handle new location argument.
+ (build_array_ref): Same.
+ (parser_build_unary_op): Same.
+ * gimplify.c (gimplify_asm_expr): Set input_location before calling
+ error.
+ * c-omp.c (c_finish_omp_atomic): Pass location when calling
+ build_indirect_ref.
+ * c-common.c (finish_label_address_expr): Handle new location
+ argument.
+ * c-common.h (build_indirect_ref): Add argument.
+ (finish_label_address_expr): Same.
+ * c-parser.c (c_parser_unary_expression): Pass location to build
+ functions.
+ (c_parser_postfix_expression): Same.
+
+2008-09-01 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.md: Include cortex-r4f.md.
+ (attr fpu): Update type list.
+ (attr type): Add fcpys, ffariths, ffarithd, fadds, faddd, fconsts,
+ fconstd, fcmps and fcmpd.
+ (attr tune_cortexr4): Define.
+ (attr generic_sched, attr generic_vfp): Use tune_cortexr4.
+ * config/arm/vfp.md: Document fcpys, ffariths, ffarithd, fadds, faddd,
+ fconsts, fconstd, fcmps and fcmpd. Use them in insn patterns.
+ * config/arm/arm.c (arm_issue_rate): Add cortexr4f.
+ * config/arm/arm1020e.md (v10_ffarith, v10_farith): Use new insn
+ types.
+ * config/arm/cortex-a8-neon.md (cortex_a8_vfp_add_sub,
+ cortex_a8_vfp_farith: Ditto.
+ * config/arm/vfp11.md (vfp_ffarith, vfp_farith): Ditto.
+ * config/arm/cortex-r4.md: Use tune_cortexr4.
+ * config/arm/cortex-r4f.md: New file.
+
+2008-09-01 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/37305
+ * tree-ssa-ccp.c (ccp_fold): Do not set TREE_OVERFLOW on
+ the result of constant conversions.
+ (fold_gimple_assign): Likewise.
+
+2008-09-01 Andrey Belevantsev <abel@ispras.ru>
+
+ * sel-sched-ir.c (cmp_v_in_regset_pool): Surround with
+ #ifdef ENABLE_CHECKING.
+
+2008-09-01 Andrey Belevantsev <abel@ispras.ru>
+
+ * sel-sched-dump.c: Surround with #ifdef INSN_SCHEDULING.
+ * sched-int.h (print_insn, print_pattern, print_value): Declare also
+ when !INSN_SCHEDULING.
+
+2008-09-01 Andreas Schwab <schwab@suse.de>
+
+ * config/ia64/ia64.c (TARGET_ADDRESS_COST): Update.
+
+2008-09-01 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_no_early_mul_dep): Handle multiply-subtract.
+
+2008-09-01 Jan Hubicka <jh@suse.cz>
+
+ * config/spu/spu.c (spu_expand_block_move) Update call of MOVE_RATIO.
+
+ * expr.c (MOVE_BY_PIECES_P, CLEAR_BY_PIECES_P, SET_BY_PIECES_P): Pass speed operand.
+ * expr.h (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Update.
+ * gimplify.c (gimplify_init_constructor): Add speed operand.
+ * tree-sra.c (decide_block_copy): Likewise.
+ * tree-inline.c (estimate_move_cost): Likewise.
+ * config/alpha/alpha.h (MOVE_RATIO): Update.
+ * config/frv/frv.c (MOVE_RATIO): Update.
+ * config/spu/spu.h (MOVE_RATIO): Update.
+ * config/sparc/sparc.h (MOVE_RATIO): Update.
+ * config/i386/i386.h (MOVE_RATIO, CLEAR_RATIO): Update.
+ * config/m68hc11/m68hc11.h (MOVE_RATIO): Update.
+ * config/cris/cris.h (MOVE_RATIO): Update.
+ * config/mn10300/mn10300.h (MOVE_RATIO): Update.
+ * config/arm/arm.h (MOVE_RATIO): Update.
+ * config/pa/pa.md: Update uses of MOVE_RATIO
+ * config/pa/pa.h (MOVE_RATIO): Update.
+ * config/mips/mips.h (MOVE_RATIO, MOVE_BY_PIECES, CLEAR_RATIO, SET_RATIO): Update.
+ * config/h8300/h8300.h (MOVE_RATIO): Update.
+ * config/v850/v850.h (MOVE_RATIO): Update.
+ * config/bfin/bfin.h (MOVE_RATIO): Update.
+
+2008-08-31 Andrey Belevantsev <abel@ispras.ru>
+ Dmitry Melnik <dm@ispras.ru>
+ Dmitry Zhurikhin <zhur@ispras.ru>
+ Alexander Monakov <amonakov@ispras.ru>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
+ sel-sched-dump.c, sel-sched-ir.c: New files.
+ * Makefile.in (OBJS-common): Add selective scheduling object
+ files.
+ (sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
+ (SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
+ (sched-vis.o): Add dependency on $(INSN_ATTR_H).
+ * cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
+ * cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
+ (make_forwarder_block): Update loop latch if we have redirected
+ the loop latch edge.
+ * cfgloop.c (get_loop_body_in_custom_order): New function.
+ * cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
+ (CP_FALLTHRU_PREHEADERS): Likewise.
+ (get_loop_body_in_custom_order): Declare.
+ * cfgloopmanip.c (has_preds_from_loop): New.
+ (create_preheader): Honor CP_FALLTHRU_PREHEADERS.
+ Assert that the preheader edge will be fall thru when it is set.
+ * common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
+ fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
+ fsel-sched-substitution, fselective-scheduling): New flags.
+ * cse.c (hash_rtx_cb): New.
+ (hash_rtx): Use it.
+ * dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
+ sel_sched_insn_cnt): New counters.
+ * final.c (compute_alignments): Export. Free dominance info after loop_optimizer_finalize.
+ * genattr.c (main): Output maximal_insn_latency prototype.
+ * genautomata.c (output_default_latencies): New. Factor its code from ...
+ (output_internal_insn_latency_func): ... here.
+ (output_internal_maximal_insn_latency_func): New.
+ (output_maximal_insn_latency_func): New.
+ * hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
+ (struct hard_reg_set_iterator): New.
+ (hard_reg_set_iter_init, hard_reg_set_iter_set,
+ hard_reg_set_iter_next): New functions.
+ (EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
+ * lists.c (remove_free_INSN_LIST_node,
+ remove_free_EXPR_LIST_node): New functions.
+ * loop-init.c (loop_optimizer_init): When LOOPS_HAVE_FALLTHRU_PREHEADERS,
+ set CP_FALLTHRU_PREHEADERS when calling create_preheaders.
+ (loop_optimizer_finalize): Do not verify flow info after reload.
+ * recog.c (validate_replace_rtx_1): New parameter simplify.
+ Default it to true. Update all uses. Factor out simplifying
+ code to ...
+ (simplify_while_replacing): ... this new function.
+ (validate_replace_rtx_part,
+ validate_replace_rtx_part_nosimplify): New.
+ * recog.h (validate_replace_rtx_part,
+ validate_replace_rtx_part_nosimplify): Declare.
+ * rtl.c (rtx_equal_p_cb): New.
+ (rtx_equal_p): Use it.
+ * rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
+ (remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
+ debug_bb_n_slim, debug_bb_slim, print_rtl_slim): Likewise.
+ * vecprim.h: Add a vector type for unsigned int.
+ * haifa-sched.c: Include vecprim.h and cfgloop.h.
+ (issue_rate, sched_verbose_param, note_list, dfa_state_size,
+ ready_try, cycle_issued_insns, spec_info): Make global.
+ (readyp): Initialize.
+ (dfa_lookahead): New global variable.
+ (old_max_uid, old_last_basic_block): Remove.
+ (h_i_d): Make it a vector.
+ (INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
+ through HID macro.
+ (after_recovery, adding_bb_to_current_region_p):
+ New variables to handle correct insertion of the recovery code.
+ (struct ready_list): Move declaration to sched-int.h.
+ (rgn_n_insns): Removed.
+ (rtx_vec_t): Move to sched-int.h.
+ (find_insn_reg_weight): Remove.
+ (find_insn_reg_weight1): Rename to find_insn_reg_weight.
+ (haifa_init_h_i_d, haifa_finish_h_i_d):
+ New functions to initialize / finalize haifa instruction data.
+ (extend_h_i_d, init_h_i_d): Rewrite.
+ (unlink_other_notes): Move logic to add_to_note_list. Handle
+ selective scheduler.
+ (ready_lastpos, ready_element, ready_sort, reemit_notes,
+ find_fallthru_edge): Make global, remove static prototypes.
+ (max_issue): Make global. Add privileged_n and state parameters. Use
+ them.
+ (extend_global, extend_all): Removed.
+ (init_before_recovery): Add new param. Fix the handling of the case
+ when we insert a recovery code before the EXIT which has a predecessor
+ with a fallthrough edge to it.
+ (create_recovery_block): Make global. Rename to
+ sched_create_recovery_block. Update.
+ (change_pattern): Rename to sched_change_pattern. Make global.
+ (speculate_insn): Rename to sched_speculate_insn. Make global.
+ Split haifa-specific functionality into ...
+ (haifa_change_pattern): New static function.
+ (sched_extend_bb): New static function.
+ (sched_init_bbs): New function.
+ (current_sched_info): Change type to struct haifa_sched_info.
+ (insn_cost): Adjust for selective scheduling.
+ (dep_cost_1): New function. Move logic from ...
+ (dep_cost): ... here.
+ (dep_cost): Use dep_cost_1.
+ (contributes_to_priority_p): Use sched_deps_info instead of
+ current_sched_info.
+ (priority): Adjust to work with selective scheduling. Process the
+ corner case when all dependencies don't contribute to priority.
+ (rank_for_schedule): Use ds_weak instead of dep_weak.
+ (advance_state): New function. Move logic from ...
+ (advance_one_cycle): ... here.
+ (add_to_note_list, concat_note_lists): New functions.
+ (rm_other_notes): Make static. Adjust for selective scheduling.
+ (remove_notes, restore_other_notes): New functions.
+ (move_insn): Add two arguments. Update assert. Don't call
+ reemit_notes.
+ (choose_ready): Remove lookahead variable, use dfa_lookahead.
+ Remove more_issue, max_points. Move the code to initialize
+ max_lookahead_tries to max_issue.
+ (schedule_block): Remove rgn_n_insns1 parameter. Don't allocate
+ ready. Adjust use of move_insn. Call restore_other_notes.
+ (luid): Remove.
+ (sched_init, sched_finish): Move Haifa-specific initialization/
+ finalization to ...
+ (haifa_sched_init, haifa_sched_finish): ... respectively.
+ New functions.
+ (setup_sched_dump): New function.
+ (haifa_init_only_bb): New static function.
+ (haifa_speculate_insn): New static function.
+ (try_ready): Use haifa_* instead of speculate_insn and
+ change_pattern.
+ (extend_ready, extend_all): Remove.
+ (sched_extend_ready_list, sched_finish_ready_list): New functions.
+ (create_check_block_twin, add_to_speculative_block): Use
+ haifa_insns_init instead of extend_global. Update to use new
+ initialization functions. Change parameter. Factor out code from
+ create_check_block_twin to ...
+ (sched_create_recovery_edges) ... this new function.
+ (add_block): Remove.
+ (sched_scan_info): New.
+ (extend_bb): Use sched_scan_info.
+ (init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
+ static functions for walking through scheduling region.
+ (sched_luids): New vector variable to replace uid_to_luid.
+ (luids_extend_insn): New function.
+ (sched_max_luid): New variable.
+ (luids_init_insn): New function.
+ (sched_init_luids, sched_finish_luids): New functions.
+ (insn_luid): New debug function.
+ (sched_extend_target): New function.
+ (haifa_init_insn): New static function.
+ (sched_init_only_bb): New hook.
+ (sched_split_block): New hook.
+ (sched_split_block_1): New function.
+ (sched_create_empty_bb): New hook.
+ (sched_create_empty_bb_1): New function.
+ (common_sched_info, ready): New global variables.
+ (current_sched_info_var): Remove.
+ (move_block_after_check): Use common_sched_info.
+ (haifa_luid_for_non_insn): New static function.
+ (init_before_recovery): Use haifa_init_only_bb instead of
+ add_block.
+ (increase_insn_priority): New.
+ * modulo-sched.c: (issue_rate): Remove static declaration.
+ (sms_sched_info): Change type to haifa_sched_info.
+ (sms_sched_deps_info, sms_common_sched_info): New variables.
+ (setup_sched_infos): New.
+ (sms_schedule): Initialize them. Call haifa_sched_init/finish.
+ Do not call regstat_free_calls_crossed.
+ (sms_print_insn): Use const_rtx.
+ * params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
+ PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
+ PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
+ PARAM_SCHED_MEM_TRUE_DEP_COST): New.
+ * sched-deps.c (sched_deps_info): New. Update all relevant uses of
+ current_sched_info to use it.
+ (enum reg_pending_barrier_mode): Move to sched-int.h.
+ (h_d_i_d): New variable. Initialize to NULL.
+ ({true, output, anti, spec, forward}_dependency_cache): Initialize
+ to NULL.
+ (estimate_dep_weak): Remove static declaration.
+ (sched_has_condition_p): New function. Adjust users of
+ sched_get_condition to use it instead.
+ (conditions_mutex_p): Add arguments indicating which conditions are
+ reversed. Use them.
+ (sched_get_condition_with_rev): Rename from sched_get_condition. Add
+ argument to indicate whether returned condition is reversed. Do not
+ generate new rtx when condition should be reversed; indicate it by
+ setting new argument instead.
+ (add_dependence_list_and_free): Add deps parameter.
+ Update all users. Do not free dependence list when
+ deps context is readonly.
+ (add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
+ contexts.
+ (remove_from_dependence_list, remove_from_both_dependence_lists): New.
+ (remove_from_deps): New. Use the above functions.
+ (cur_insn, can_start_lhs_rhs_p): New static variables.
+ (add_or_update_back_dep_1): Initialize present_dep_type.
+ (haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
+ haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
+ haifa_note_dep): New functions implementing dependence hooks for
+ the Haifa scheduler.
+ (note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
+ note_dep): New functions.
+ (ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
+ functions.
+ (init_deps): Initialize last_reg_pending_barrier and deps->readonly.
+ (free_deps): Initialize deps->reg_last.
+ (sched_analyze_reg, sched_analyze_1, sched_analyze_2,
+ sched_analyze_insn): Update to use dependency hooks infrastructure
+ and readonly contexts.
+ (deps_analyze_insn): New function. Move part of logic from ...
+ (sched_analyze): ... here. Also move some logic to ...
+ (deps_start_bb): ... here. New function.
+ (add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with
+ sel_sched_p.
+ (sched_deps_init): New function. Move code from ...
+ (init_dependency_caches): ... here. Remove.
+ (init_deps_data_vector): New.
+ (sched_deps_finish): New function. Move code from ...
+ (free_dependency_caches): ... here. Remove.
+ (init_deps_global, finish_deps_global): Adjust for use with
+ selective scheduling.
+ (get_dep_weak): Move logic to ...
+ (get_dep_weak_1): New function.
+ (ds_merge): Move logic to ...
+ (ds_merge_1): New static function.
+ (ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions.
+ (ds_get_max_dep_weak): New function.
+ * sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns.
+ (n_insns): Rename to rgn_n_insns.
+ (debug_ebb_dependencies): New function.
+ (init_ready_list): Use it.
+ (begin_schedule_ready): Use sched_init_only_bb.
+ (ebb_print_insn): Indicate when an insn starts a new cycle.
+ (contributes_to_priority, compute_jump_reg_dependencies,
+ add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names.
+ (add_block1): Remove to ebb_add_block.
+ (ebb_sched_deps_info, ebb_common_sched_info): New variables.
+ (schedule_ebb): Initialize them. Use remove_notes instead of
+ rm_other_notes. Use haifa_local_init/finish.
+ (schedule_ebbs): Use haifa_sched_init/finish.
+ * sched-int.h: Include vecprim.h, remove rtl.h.
+ (struct ready_list): Delete declaration.
+ (sched_verbose_param, enum sched_pass_id_t,
+ bb_vec_t, insn_vec_t, rtx_vec_t): New.
+ (struct sched_scan_info_def): New structure.
+ (sched_scan_info, sched_scan, sched_init_bbs,
+ sched_init_luids, sched_finish_luids, sched_extend_target,
+ haifa_init_h_i_d, haifa_finish_h_i_d): Declare.
+ (struct common_sched_info_def): New.
+ (common_sched_info, haifa_common_sched_info,
+ sched_emulate_haifa_p): Declare.
+ (sel_sched_p): New.
+ (sched_luids): Declare.
+ (INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare.
+ (sched_max_luid, insn_luid): Declare.
+ (note_list, remove_notes, restore_other_notes, bb_note): Declare.
+ (sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes,
+ print_insn, print_pattern, print_value, haifa_classify_insn,
+ sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state,
+ setup_sched_dump, sched_init, sched_finish,
+ sel_insn_is_speculation_check): Export.
+ (struct ready_list): Move from haifa-sched.c.
+ (ready_try, ready, max_issue): Export.
+ (ebb_compute_jump_reg_dependencies, find_fallthru_edge,
+ sched_init_only_bb, sched_split_block, sched_split_block_1,
+ sched_create_empty_bb, sched_create_empty_bb_1,
+ sched_create_recovery_block, sched_create_recovery_edges): Export.
+ (enum reg_pending_barrier_mode): Export.
+ (struct deps): New fields `last_reg_pending_barrier' and `readonly'.
+ (deps_t): New.
+ (struct sched_info): Rename to haifa_sched_info. Use const_rtx for
+ print_insn field. Move add_block and fix_recovery_cfg to
+ common_sched_info_def. Move compute_jump_reg_dependencies, use_cselib ...
+ (struct sched_deps_info_def): ... this new structure.
+ (sched_deps_info): Declare.
+ (struct spec_info_def): Remove weakness_cutoff, add
+ data_weakness_cutoff and control_weakness_cutoff.
+ (spec_info): Declare.
+ (struct _haifa_deps_insn_data): Split from haifa_insn_data. Add
+ dep_count field.
+ (struct haifa_insn_data): Rename to struct _haifa_insn_data.
+ (haifa_insn_data_def, haifa_insn_data_t): New typedefs.
+ (current_sched_info): Change type to struct haifa_sched_info.
+ (haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs.
+ (h_d_i_d): New variable.
+ (HDID): New accessor macro.
+ (h_i_d): Change type to VEC (haifa_insn_data_def, heap) *.
+ (HID): New accessor macro. Rewrite h_i_d accessor macros through HID
+ and HDID.
+ (IS_SPECULATION_CHECK_P): Update for selective scheduler.
+ (enum SCHED_FLAGS): Update for selective scheduler.
+ (enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL.
+ (init_dependency_caches, free_dependency_caches): Delete declarations.
+ (deps_analyze_insn, remove_from_deps, get_dep_weak_1,
+ estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak,
+ ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init,
+ sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use,
+ haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb,
+ ds_to_dt): Export.
+ (rm_other_notes): Delete declaration.
+ (schedule_block): Remove one argument.
+ (cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort,
+ ready_element, ready_lastpos, sched_extend_ready_list,
+ sched_finish_ready_list, sched_change_pattern, sched_speculate_insn,
+ concat_note_lists): Export.
+ (struct region): Move from sched-rgn.h.
+ (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
+ RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
+ BLOCK_TO_BB, CONTAINING_RGN): Export.
+ (ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise.
+ (current_nr_blocks, current_blocks, target_bb): Likewise.
+ (dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init,
+ sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies,
+ sched_rgn_local_init, extend_regions,
+ rgn_make_new_region_out_of_new_block, compute_priorities,
+ debug_rgn_dependencies, free_rgn_deps, contributes_to_priority,
+ extend_rgns, deps_join rgn_setup_common_sched_info,
+ rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot,
+ dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export.
+ (get_rgn_sched_max_insns_priority, sel_add_to_insn_priority,
+ increase_insn_priority): Likewise.
+ * sched-rgn.c: Include sel-sched.h.
+ (ref_counts): New static variable. Use it ...
+ (INSN_REF_COUNT): ... here. Rewrite and move closer to uses.
+ (FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro.
+ (sched_is_disabled_for_current_region_p): Delete static declaration.
+ (struct region): Move to sched-int.h.
+ (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
+ ebb_head): Define and initialize.
+ (RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
+ BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions,
+ BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to
+ sched-int.h.
+ (find_single_block_region): Add new argument to indicate that EBB
+ regions should be constructed.
+ (debug_live): Delete declaration.
+ (current_nr_blocks, current_blocks, target_bb): Remove static qualifiers.
+ (compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete
+ declaration.
+ (init_regions): Delete declaration.
+ (debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot,
+ rgn_estimate_number_of_insns): New.
+ (too_large): Use estimate_number_of_insns.
+ (haifa_find_rgns): New. Move the code from ...
+ (find_rgns): ... here. Call either sel_find_rgns or haifa_find_rgns.
+ (free_trg_info): New.
+ (compute_trg_info): Allocate candidate tables here instead of ...
+ (init_ready_list): ... here.
+ (rgn_print_insn): Use const_rtx.
+ (contributes_to_priority, extend_regions): Delete static declaration.
+ (add_remove_insn, fix_recovery_cfg): Add rgn_ to function names.
+ (add_block1): Rename to rgn_add_block.
+ (debug_rgn_dependencies): Delete static qualifier.
+ (new_ready): Use sched_deps_info. Simplify.
+ (rgn_common_sched_info, rgn_const_sched_deps_info,
+ rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info): New.
+ (region_sched_info): Rename to rgn_const_sched_info.
+ (deps_join): New, extracted from ...
+ (propagate_deps): ... here.
+ (compute_block_dependences, debug_dependencies): Update for selective
+ scheduling.
+ (free_rgn_deps, compute_priorities): New functions.
+ (sched_rgn_init, sched_rgn_finish, rgn_setup_region,
+ sched_rgn_compute_dependencies): New functions.
+ (schedule_region): Use them.
+ (sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish,
+ rgn_setup_common_sched_info, rgn_setup_sched_infos):
+ New functions.
+ (schedule_insns): Call new functions that were split out.
+ (rgn_make_new_region_out_of_new_block): New.
+ (get_rgn_sched_max_insns_priority): New.
+ (rest_of_handle_sched, rest_of_handle_sched2): Call selective
+ scheduling when appropriate.
+ * sched-vis.c: Include insn-attr.h.
+ (print_value, print_pattern): Make global.
+ (print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions.
+ * target-def.h (TARGET_SCHED_ADJUST_COST_2,
+ TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
+ TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
+ TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS,
+ TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target
+ hooks. Initialize them to 0.
+ (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
+ * target.h (struct gcc_target): Add them. Rename gen_check field to
+ gen_spec_check.
+ * flags.h (sel_sched_switch_set): Declare.
+ * opts.c (sel_sched_switch_set): New variable.
+ (decode_options): Unset flag_sel_sched_pipelining_outer_loops if
+ pipelining is disabled from command line.
+ (common_handle_option): Record whether selective scheduling is
+ requested from command line.
+ * doc/invoke.texi: Document new flags and parameters.
+ * doc/tm.texi: Document new target hooks.
+ * config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to ia64_gen_check.
+ (dfa_state_size): Do not declare locally.
+ * config/ia64/ia64.opt (msched-ar-data-spec): Default to 0.
+ * config/rs6000/rs6000.c (rs6000_init_sched_context,
+ rs6000_alloc_sched_context, rs6000_set_sched_context,
+ rs6000_free_sched_context): New functions.
+ (struct _rs6000_sched_context): New.
+ (rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective
+ scheduling.
+ (rs6000_sched_finish): Do not run for selective scheduling.
+
+2008-08-31 Jan Hubicka <jh@suse.cz>
+
+ * frv.c (frv_rtx_costs): Update forward declaration.
+ * spu.c (spu_rtx_costs): Likewise.
+ * pdp11.c: Include df.h
+ (pdp11_output_function_epilogue): Use df_set_regs_ever_live.
+ * m68hc11.c (m68hc11_gen_highpart): Fix call of gen_rtx_SUBREG.
+ (m68hc11_rtx_costs_1): Fix call of rtx_cost.
+ * iq2000.c (iq2000_address_cost): Add speed argument.
+ (iq2000_rtx_costs): Likewise.
+ * mn10300.c (mn10300_address_cost_1): Remove speed argument;
+ update call of mn10300_address_cost.
+ * mcore.c: Include df.h
+ (mcore_rtx_costs): Update prototype.
+ * score3.c: Include df.h
+ (score3_rtx_costs): Remove speed argument.
+ * score7.c: Include df.h
+ (score7_address_cost): Remove speed argument.
+ * score-protos.h (score_address_cost): Update prototype.
+ * score.c: Include df.h
+ (score_rtx_costs): Update call of costs functions.
+ * v850.c (v850_rtx_costs): Add bool argument.
+
+2008-08-31 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c (cris_rtx_costs): Correct call to rtx_costs.
+
+2008-08-31 Aaron W. LaFramboise <aaronavay62@aaronwl.com>
+
+ * gthr-win32.h (__gthread_setspecific): Use CONST_CAST2.
+ * config/i386/gthr-win32.c (__gthread_setspecific): Same.
+
+2008-08-31 Aaron W. LaFramboise <aaronavay62@aaronwl.com>
+
+ * mkmap-flat.awk: Add option pe_dll.
+ * config/i386/t-cygming (SHLIB_LINK): Support building libgcc_s.
+ * config/i386/t-cygwin (SHLIB_LC): Add.
+ * config/i386/t-mingw32 (SHLIB_LC): Add.
+ * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): New.
+ (SUBTARGET_EXTRA_SPECS): Use SHARED_LIBGCC_UNDEFS_SPEC.
+ (LINK_SPEC): Support libgcc_s.
+ (LIBGCC_SPEC): Support libgcc_s.
+ (LIBGCC_SONAME): New.
+
+2008-08-31 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (maybe_hot_bb_p, maybe_hot_edge_p): Previous commit
+ mistakely had old version of patch.
+
+ * ipa-cp.c (ipcp_need_original_clone_p): Remove.
+ (ipcp_estimate_growth): New.
+ (ipcp_insert_stage): Use ipcp_estimate_growth.
+ * profile.c (branch_prob): When reading failed, do not consider
+ profile as read.
+
+2008-08-31 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Check that
+ loop is optimized for speed.
+
+2008-08-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/37289
+ * fold-const.c (fold_binary): Retain conversions in folding
+ ~A + 1 to -A.
+
+2008-08-31 Jan Hubicka <jh@suse.cz>
+
+ * postreload-gcse.c (eliminate_partially_redundant_loads): Use optimize_bb_for_size_p.
+ * predict.c (maybe_hot_frequency_p): Make inline.
+ (maybe_hot_count_p): Break out from ...
+ (maybe_hot_bb_p): ... this one.
+ (maybe_hot_edge_p): Simplify.
+ * basic-block.h (probably_cold_bb_p): Remove.
+
+2008-08-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/37168
+ * config/rs6000/rs6000-protos.h (const_vector_elt_as_int): Add
+ prototype.
+ * config/rs6000/rs6000.c (const_vector_elt_as_int): No longer static.
+ * config/rs6000/altivec.md (easy_vector_constant_add_self splitter):
+ Also split V4SFmode.
+ * config/rs6000/predicates.md (easy_vector_constant_add_self): Handle
+ vector float modes.
+
+2008-08-31 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (PROB_VERY_LIKELY): Make small enough so things
+ become cold.
+ * predict.def (PRED_NORETURN_CALL, PRED_COLD_CALL): Use it.
+
2008-08-31 Jakub Jelinek <jakub@redhat.com>
+ PR debug/37287
+ * dwarf2out.c (gen_namespace_die): For DECL_EXTERNAL modules don't
+ add source coords.
+
* dwarf2out.c (native_encode_initializer): Subtract min_index for
non-range array index. Handle VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
patterns.
2008-08-28 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
-
Andrew Pinski <pinskia@gcc.gnu.org>
+ Andrew Pinski <pinskia@gcc.gnu.org>
PR 18050
* c-common.c (verify_tree): Fix handling of ADDR_EXPR.
attribute.
* config/v850/v850.h (IRA_COVER_CLASSES): Define.
- * config/v850/v850.md (return): Remove frame size restriction.
+ * config/v850/v850.md (return): Remove frame size restriction.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
2008-08-28 Ira Rosen <irar@il.ibm.com>
* target.h (struct vectorize): Add new target builtin.
- * tree-vectorizer.c (destroy_loop_vec_info): Call
+ * tree-vectorizer.c (destroy_loop_vec_info): Call
vect_free_slp_instance instead of vect_free_slp_node.
* tree-vectorizer.h (enum slp_load_perm_type): New.
(struct _slp_instance): Add new fields.
(SLP_INSTANCE_LOAD_PERMUTATION): New.
(SLP_INSTANCE_LOADS): New.
(vect_free_slp_tree): Remove.
- (vect_free_slp_instance): Declare.
+ (vect_free_slp_instance): Declare.
(SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
(vectorizable_load): Add argument.
(vect_transform_slp_perm_load): New.
- * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
+ * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
vectorizable_load.
(vect_get_place_in_interleaving_chain): New function.
(vect_free_slp_tree): Make static.
(vect_free_slp_instance): New function.
- (vect_build_slp_tree): Add new arguments. Allow load permutations and
+ (vect_build_slp_tree): Add new arguments. Allow load permutations and
collect the load location in the interleaving chain.
(vect_supported_slp_permutation_p): New function.
(vect_supported_load_permutation_p): Likewise.
(vect_analyze_slp_instance): In case of loads permutation, call
- vect_supported_load_permutation_p to check that the permutation is
+ vect_supported_load_permutation_p to check that the permutation is
supported.
* target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
* tree-vect-transform.c (vect_transform_stmt): Add new argument.
(vect_create_mask_and_perm): New function.
(vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
- (vectorizable_load): Add an argument. Don't keep the created vectors
- statements in the node if permutation is required. Call
+ (vectorizable_load): Add an argument. Don't keep the created vectors
+ statements in the node if permutation is required. Call
vect_transform_slp_perm_load to generate the permutation.
- (vect_transform_stmt): Add new argument. Call vectorizable_load with
+ (vect_transform_stmt): Add new argument. Call vectorizable_load with
additional argument.
- (vect_schedule_slp_instance): In case of loads permutation, allocate
- vectorized statements structure for all the related SLP nodes. Call
+ (vect_schedule_slp_instance): In case of loads permutation, allocate
+ vectorized statements structure for all the related SLP nodes. Call
vect_transform_stmt with addditional argument.
- (vect_transform_loop): Call vect_transform_stmt with correct arguments.
- * config/spu/spu.c (spu_builtin_vec_perm): New.
+ (vect_transform_loop): Call vect_transform_stmt with correct arguments.
+ * config/spu/spu.c (spu_builtin_vec_perm): New.
(TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
* config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
* config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
-
+
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
-
+
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
-
+
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
-
+
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
-
+
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
-
+
* testsuite/gcc.dg/20080410-1.c: New file.
-
+
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
-
+
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
-
+
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
PR 35648
* doc/invoke.texi (Wwrite-strings): Clarify description.
-
+
2008-08-23 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/37174
(*ashlqi3): Rename from ashlqi3 insn pattern.
(ashlqi3): New expanders.
(*lshrqi3): Rename from lshrqi3 insn pattern.
- (lshrqi3): New expanders.
+ (lshrqi3): New expanders.
(ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
lshrqi3_const5, lshrqi3_const6): New splitters.
(andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
PR 30457
* builtins.c (fold_builtin_next_arg): Add warning about undefined
behaviour.
-
+
2008-08-21 Aldy Hernandez <aldyh@redhat.com>
* c-tree.h (grokfield): New argument.
2008-05-05 Kenneth Zadeck <zadeck@naturalbridge.com>
Jan Hubicka <jh@suse.cz>
-
+
* ipa-pure-const.c
(init_state, finish_state, set_function_state, generate_summary):
New functions.
2008-07-15 Kenneth Zadeck <zadeck@naturalbridge.com>
* tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
- * ipa-reference.c (init_function_info, generate_summary,
+ * ipa-reference.c (init_function_info, generate_summary,
propagate): New functions.
(analyze_function): Call init_function_info.
(static_execute): Stripped into generate_summary and propagate.
2008-08-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* value-prof.c (check_counter): Revert wrong call to error.
-
+
2008-08-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* profile.c: Update calls to inform.
* value-prof.c: Update calls to inform.
-
+
2008-08-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* diagnostic.c (inform): Add an explicit location_t parameter.
(supportable_narrowing_operation): Likewise.
(vectorizable_type_promotion): Add an argument.
(vectorizable_type_demotion): Likewise.
- * tree-vect-analyze.c (vect_analyze_operations): Call
+ * tree-vect-analyze.c (vect_analyze_operations): Call
vectorizable_type_promotion and vectorizable_type_demotion with
additional argument.
(vect_get_and_check_slp_defs): Detect patterns.
(vect_build_slp_tree): Add an argument, don't fail in case of multiple
- types.
+ types.
(vect_analyze_slp_instance): Don't fail in case of multiple types. Call
vect_build_slp_tree with correct arguments. Calculate unrolling factor
according to the smallest type in the loop.
(vect_detect_hybrid_slp_stmts): Include statements from patterns.
- * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
- supportable_widening_operation with correct arguments.
- * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
+ * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
+ supportable_widening_operation with correct arguments.
+ * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
operands lists according to the number of vector statements in left
or right node, if exists.
(vect_gen_widened_results_half): Remove unused argument.
- (vectorizable_conversion): Call supportable_widening_operation,
+ (vectorizable_conversion): Call supportable_widening_operation,
supportable_narrowing_operation, and vect_gen_widened_results_half
- with correct arguments.
+ with correct arguments.
(vectorizable_assignment): Change documentation, support multiple
- types in SLP.
+ types in SLP.
(vectorizable_operation): Likewise.
(vect_get_loop_based_defs): New function.
(vect_create_vectorized_demotion_stmts): Likewise.
(vect_create_vectorized_promotion_stmts): New function.
(vectorizable_type_promotion): Support loop-aware SLP and general
multi-step conversion. Call vect_create_vectorized_promotion_stmts
- for transformation.
+ for transformation.
(vectorizable_store): Change documentation, support multiple
- types in SLP.
+ types in SLP.
(vectorizable_load): Likewise.
- (vect_transform_stmt): Pass SLP_NODE to
+ (vect_transform_stmt): Pass SLP_NODE to
vectorizable_type_promotion and vectorizable_type_demotion.
(vect_schedule_slp_instance): Move here the calculation of number
of vectorized statements for each node from...
2008-08-19 Dorit Nuzman <dorit@il.ibm.com>
PR bootstrap/37152
- * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
to == in assert statement.
(vectorizable_reduction): Fix typo.
* gimple.c (gimple_assign_unary_nop_p): Likewise.
* tree-vect-transform.c (vectorizable_type_demotion)
(vectorizable_type_promotion): Likewise.
- * tree-inline.c (expand_call_inline):
+ * tree-inline.c (expand_call_inline):
* tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
(forward_propagate_addr_expr_1, forward_propagate_comparison)
(tree_ssa_forward_propagate_single_use_vars): Likewise.
* tree.h (CONVERT_EXPR_P): Likewise.
* tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
* tree-ssa-loop-im.c (rewrite_bittest): Likewise.
- * tree-vrp.c:
+ * tree-vrp.c:
(register_edge_assert_for_2, extract_range_from_unary_expr)
(register_edge_assert_for_1): Likewise.
-
+
2008-08-18 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
2008-08-16 Andy Hutchinson <hutchinsonandy@aim.com>
- * config/avr/avr.c (avr_override_options): Reduce value of
+ * config/avr/avr.c (avr_override_options): Reduce value of
PARAM_INLINE_CALL_COST.
2008-08-15 Eric Botcazou <ebotcazou@adacore.com>
PR c/28152
* c-parser.c (c_lex_one_token): Do not store the canonical spelling
for keywords.
-
+
2008-08-14 Dorit Nuzman <dorit@il.ibm.com>
* tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
(get_initial_def_for_induction): Fix printout.
(vect_get_vec_def_for_stmt_copy): Support case where the
vec_stmt_for_operand is a phi node.
- (vectorizable_reduction): Support reduction when duplication is needed
+ (vectorizable_reduction): Support reduction when duplication is needed
due to data-types of different sizes in the loop.
- (vectorizable_call): Remove restriction to not vectorize in case we
+ (vectorizable_call): Remove restriction to not vectorize in case we
have data-types of different sizes in the loop.
(vectorizable_conversion): Likewise.
(vectorizable_operation): Likewise.
(vectorizable_type_demotion): Likewise.
(vectorizable_type_promotion): Likewise.
- (vectorizable_induction): Add restriction to not vectorize in case
+ (vectorizable_induction): Add restriction to not vectorize in case
we have data-types of different sizes in the loop.
2008-08-14 Christophe Saout <christophe@saout.de>
2008-08-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* toplev.h (pedwarn_at): Fix declaration.
-
+
2008-08-13 Joseph Myers <joseph@codesourcery.com>
* config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
* c-common.c (conversion_warning): Use a switch. Ignore boolean
expressions except for conversions to signed:1 bitfields. Handle
COND_EXPR with constant operands.
-
+
2008-08-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/15255
(supportable_widening_operation): Add two arguments. Support double
type conversions.
(supportable_narrowing_operation): Likewise.
- * tree-vectorizer.h (supportable_widening_operation): Add two
+ * tree-vectorizer.h (supportable_widening_operation): Add two
arguments.
(supportable_narrowing_operation): Likewise.
* tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
2008-08-09 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 36901
- * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
+ * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
* diagnostic.c (pedantic_warning_kind, permissive_error_kind):
Moved from diagnostic.h
(diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
DK_PERMERROR.
(emit_diagnostic): New.
(warning0, pedwarn0): Delete.
- (warning, warning_at, pedwarn, permerror): Return bool.
+ (warning, warning_at, pedwarn, permerror): Return bool.
* diagnostic.h (pedantic_warning_kind, permissive_error_kind):
Moved to diagnostic.c.
(struct diagnostic_context): Use correct type for
classify_diagnostic.
(diagnostic_report_diagnostic): Update declaration.
(emit_diagnostic): Declare.
- * errors.c (warning): Return bool.
+ * errors.c (warning): Return bool.
* errors.h (warning): Update declaration.
* toplev.h (warning0, pedwarn0): Delete.
(warning, warning_at, pedwarn, permerror): Return bool.
inform. Update all calls.
(diagnose_mismatched_decls): Check return value of warning/pedwarn
before giving informative note.
- (implicit_decl_warning): Likewise.
- * c-typeck.c (build_function_call): Likewise.
- * tree-sssa.c (warn_uninit): Likewise.
+ (implicit_decl_warning): Likewise.
+ * c-typeck.c (build_function_call): Likewise.
+ * tree-sssa.c (warn_uninit): Likewise.
* builtins.c (gimplify_va_arg_expr): Likewise.
2008-08-09 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 7651
* doc/invoke.texi (-Wextra): Move warning from here...
(-Wuninitialized): ... to here.
-
+
2008-08-08 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 28875
(Wunused-parameter): Likewise.
(Wunused-value): Likewise.
(Wunused-variable): Likewise.
-
+
2008-08-08 Peter Bergner <bergner@vnet.ibm.com>
* doc/invoke.texi: Add cpu_type power7.
(rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
and ALTIVEC_BUILTIN_VCTSXS.
(rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
- formatting.
+ formatting.
2008-08-08 Richard Guenther <rguenther@suse.de>
* c-common.c (c_common_reswords): Also warn about keyword "bool".
2008-08-07 Bob Wilson <bob.wilson@acm.org>
-
+
* config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
value in a6 after the set_frame_ptr insn.
-
+
2008-08-07 Richard Henderson <rth@redhat.com>
PR debug/37033
2008-08-07 Jan Hubicka <jh@suse.cz>
PR target/37048
- * i386.md (single stringop patterns): Enable unconditionally.
+ * i386.md (single stringop patterns): Enable unconditionally.
2008-08-07 H.J. Lu <hongjiu.lu@intel.com>
PR 26785
* diagnostic.c (permerror_at): New.
* toplev.h (permerror_at): Declare.
-
+
2008-08-06 Victor Kaplansky <victork@il.ibm.com>
Ira Rosen <irar@il.ibm.com>
* c-common.c (warn_for_sign_compare): New. Handle separately the
case that 'constant' is zero.
* c-typeck.c (build_binary_op): Move code to c-common.c
-
+
2008-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* config/alpha/alpha.c (alpha_preferred_reload_class,
2008-08-05 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
-
+
2008-08-05 Bob Wilson <bob.wilson@acm.org>
-
+
* config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
(xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
va_size, and type_size.
-
+
2008-08-04 Jason Merrill <jason@redhat.com>
PR c++/37016
(dwarf2out_end_epilogue): Emit .cfi_endproc.
(output_loc_operands_raw, output_loc_sequence_raw): New.
(output_cfa_loc_raw): New.
-
+
2008-08-05 Paul Brook <paul@codesourcery.com>
* doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
-
+
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
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